What Tablif read on kosa8's site
kosa8 describes itself as: “kosa8 — secure infrastructure for AI agents”
- Price model: Monthly · Yearly · free tier
- Free tier: Free for a trial
- Stage: Live, no waitlist
- How it differs: “Containers share one kernel; full VMs are slow to start and cannot be copied mid-run. With kosa8 A real VM per task, ready in a fraction of a second.”
What it is
Calls itself “sandbox”.
- Calls itself: sandbox
“…kosa8 — secure infrastructure for AI agents”
“Secure sandboxes with an undo button for AI agents.”
Where it puts itself
Claims “first”. Rules out “permanently free tier”.
- Superlative claim: first
- Says it will not: permanently free tier
“Today Every user's task needs an isolated machine. Containers share one kernel; full VMs are slow to start and cannot be copied mid-run. With kosa8 A real VM per task, ready in a fraction of a second.”
“The questions people ask first.”
What it costs
Monthly subscription and yearly plan. Free for a trial period. Trial: “14 days”. Has an enterprise plan. Sales on request. 13 prices listed on its pages, from $0 to $1,990.
- Monthly: yes
- Yearly: yes
- Free plan: free for a trial
- Price: 13 prices, from $0 to $1,990
- Trial: 14 days
- Enterprise plan: yes
- Contact sales: yes
“$0.10 per copy-hour above it, if you turn on overage”
“$1,500 a month for the Compliance Pack: the evidence an assessor asks for, in one command.”
“$1,690 a person a year”
Who it sells to
Sells to businesses. Built for enterprise, small businesses, solo users and teams.
- Sells to: businesses
- Company size: enterprise · small businesses · solo / indie · +1
“Built for teams whose agents touch what matters”
“See plans and buy Enterprise & Government”
How it runs
A command-line tool for Linux, Windows and macOS. Runs locally and works offline. Can be self-hosted. Hosted in the cloud. Offers an API. AI is the core of the product. You can bring your own API key.
- Kind: cli
- Runs on: Linux · Windows · macOS
- Runs where: cloud / hosted · on the device, offline · self-hosted
- API: yes
- AI role: core to the product
- Bring your own key: yes
“…curl -fsSL https://kosa8.com/install.sh | sh”
“Runs where you are Mac · Linux · Windows 11 (WSL2, preview)”
What it works with
Names Claude Code, Codex and 3 more on its pages.
- Names: Claude Code · Codex · Gemini · +2
“Give Claude Code, Codex, or other agents their own sandbox”
“…agent · gemini”
What it offers as proof
Live, no waitlist. Claims “11,000”. Compliance: FIPS 140-3. Try it without signing up. Publishes docs and a blog.
- Number claimed: 11,000
- Compliance: FIPS 140-3
- Trial asks for: nothing
“Do I need a card or an account to try it? No. One line installs it, and every feature works for 14 days. Nothing to sign up for until you choose a plan.”
“Free for 14 days, no account and no card.”
Sources
Tablif read these pages, last on 24 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
Similar products in Tablif Town
- BoxLite Open Source: Open-source microVMs for AI agents, embedded in your app
- Dock: Isolated Linux machines for AI agents, on your own hardware
- Superserve: Fast sandboxes for tool execution and coding agents
- cave-vm: A fast, lightweight Linux VM for every project
- Konxios: Build, code, and automate with local AI agents in one workspace
- Runtime: Secure AI sandboxes. Faster execution. Up to 6× cheaper.
- runspace: Disposable cloud sandboxes for humans and AI agents
- Kaeso: Self-hosted AI gateway for secure and controlled API access.